19981852785

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26120069}}^1$

素因数の和:26120097

約数の個数: 24

約数和(自身を含む): 36672578280

約数和(自身を除く): 16690725495

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26120069, 78360207, 130600345, 235080621, 391801035, 444041173, 1175403105, 1332123519, 2220205865, 3996370557, 6660617595, 19981852785]

約数ペア:

[(1, 19981852785), (3, 6660617595), (5, 3996370557), (9, 2220205865), (15, 1332123519), (17, 1175403105), (45, 444041173), (51, 391801035), (85, 235080621), (153, 130600345), (255, 78360207), (765, 26120069)]